4778248724 has 6 divisors (see below), whose sum is σ = 8361935274. Its totient is φ = 2389124360.

The previous prime is 4778248723. The next prime is 4778248729. The reversal of 4778248724 is 4278428774.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4011955600 + 766293124 = 63340^2 + 27682^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778248721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597281087 + ... + 597281094.

It is an arithmetic number, because the mean of its divisors is an integer number (1393655879).

Almost surely, 2^4778248724 is an apocalyptic number.

It is an amenable number.

4778248724 is a deficient number, since it is larger than the sum of its proper divisors (3583686550).

4778248724 is a wasteful number, since it uses less digits than its factorization.

4778248724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194562185 (or 1194562183 counting only the distinct ones).

The product of its digits is 5619712, while the sum is 53.

The square root of 4778248724 is about 69124.8777503440. The cubic root of 4778248724 is about 1684.3134531038.

The spelling of 4778248724 in words is "four billion, seven hundred seventy-eight million, two hundred forty-eight thousand, seven hundred twenty-four".